@article{oai:niigata-u.repo.nii.ac.jp:00006879,
 author = {Yang, Wei-ping and Tazawa, Jun-ichi},
 journal = {Science reports of Niigata University. (Geology), Science reports of Niigata University. (Geology)},
 month = {Mar},
 note = {The following four species of pollen and five species of spores are described from the lower Kanokura Formation (KN1 Member) in the Kamiyasse area, southern Kitakami Mountains, northeast Japan: pollen Alisporites sp., Limitisporites sp., Cordaitina cf. vulgaris and Crinalites cf. sabinensis and spores Ahrensisporites cf. thorsteinssonii, Apiculatisporis sp., Cyclogranisporites sp., Gondispora cf. obstaculifera, and Leiotriletes ulutus. This is the first record of the Permian microflora from Japan. The Kamiyasse microflora suggests a Middle Permian in age.},
 pages = {35--47},
 title = {Spores and pollen from the Middle Permian Kanokura Formation in the Kamiyasse area, southern Kitakami Mountains, northeast Japan},
 volume = {15},
 year = {2000}
}